1294103513245 has 4 divisors (see below), whose sum is σ = 1552924215900. Its totient is φ = 1035282810592.

The previous prime is 1294103513231. The next prime is 1294103513267. The reversal of 1294103513245 is 5423153014921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129504257689 + 1164599255556 = 359867^2 + 1079166^2 .

It is a cyclic number.

It is not a de Polignac number, because 1294103513245 - 2¹⁵ = 1294103480477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1294103513198 and 1294103513207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129410351320 + ... + 129410351329.

It is an arithmetic number, because the mean of its divisors is an integer number (388231053975).

Almost surely, 2^{1294103513245} is an apocalyptic number.

It is an amenable number.

1294103513245 is a deficient number, since it is larger than the sum of its proper divisors (258820702655).

1294103513245 is an equidigital number, since it uses as much as digits as its factorization.

1294103513245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258820702654.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 1294103513245 in words is "one trillion, two hundred ninety-four billion, one hundred three million, five hundred thirteen thousand, two hundred forty-five".